[Bug 196773] New: System hangs with nouveau 'trapped write' error (GeForce 9600 GT, [10de:0622])

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=196773

            Bug ID: 196773
           Summary: System hangs with nouveau 'trapped write' error
                    (GeForce 9600 GT, [10de:0622])
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.13.0-0.rc5.git2.1.fc27.x86_64
          Hardware: Intel
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: adamw at happyassassin.net
        Regression: No

I'm running Fedora 27 (future release) on my desktop, with an NVIDIA GeForce
9600 GT adapter, [10de:0622]. Running a GNOME desktop on Wayland, with fairly
typical apps (Evolution, Firefox, gnome-terminal, hexchat). At least twice now
my system has suddenly hung completely, with errors like this in the journal
(on reboot):

Aug 25 08:39:28 adam.happyassassin.net kernel: nouveau 0000:01:00.0: fb:
trapped write at 00205f3000 on channel 13 [1ea18000 Xwayland[2488]] engine 00
[PGRAPH] client 03 [DISPATCH] subclient 05 [M2M_OUT] reason 00000002
[PAGE_NOT_PRESENT]
Aug 25 08:39:28 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00000004 [OUT]
Aug 25 08:39:28 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00340141 205fc800 00000000 05000430
Aug 25 08:39:28 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
00200000 [] ch 13 [001ea18000 Xwayland[2488]] subc 5 class 5039 mthd 0328 data
00000000

The previous occurrence had lots of them, repeating over and over:

Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00000004 [OUT]
Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00340141 40229980 00000000 05000430
Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
00200000 [] ch 13 [001ea18000 Xwayland[2631]] subc 5 class 5039 mthd 0328 data
00000000
Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: fb:
trapped write at 004023c940 on channel 13 [1ea18000 Xwayland[2631]] engine 00
[PGRAPH] client 03 [DISPATCH] subclient 05 [M2M_OUT] reason 00000002
[PAGE_NOT_PRESENT]
Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00000004 [OUT]
Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00340141 40223880 00000000 05000430
Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
00200000 [] ch 13 [001ea18000 Xwayland[2631]] subc 5 class 5039 mthd 0328 data
00000000
Aug 17 08:14:06 adam.happyassassin.net kernel: nouveau 0000:01:00.0: fb:
trapped write at 0040236840 on channel 13 [1ea18000 Xwayland[2631]] engine 00
[PGRAPH] client 03 [DISPATCH] subclient 05 [M2M_OUT] reason 00000002
[PAGE_NOT_PRESENT]
Aug 17 08:14:16 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00000004 [OUT]
Aug 17 08:14:16 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
TRAP_M2MF 00340141 40249640 00000000 05000430
Aug 17 08:14:16 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
00200000 [] ch 13 [001ea18000 Xwayland[2631]] subc 5 class 5039 mthd 0328 data
00000000
Aug 17 08:14:16 adam.happyassassin.net kernel: nouveau 0000:01:00.0: fb:
trapped write at 004022a640 on channel 13 [1ea18000 Xwayland[2631]] engine 00
[PGRAPH] client 03 [DISPATCH] subclient 05 [M2M_OUT] reason 00000002
[PAGE_NOT_PRESENT]

(and many more)

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